The ups and downs of being Katy Perry

By Frank Paiva
Special to MSN Movies

A straightforward concert film just doesn't seem right for a singer who favors cupcakes as a textile for lingerie. Katy Perry was a spunky unknown advocating bisexuality through song. Now she's the queen of breezy dance pop. An international superstar who alternates between the girl next door and the class clown with remarkable ease.

Katy Perry is only the second singer to have five number-one singles from the same album. The first singer was Michael Jackson. Her two studio albums, 2008's "One of the Boys" and 2010's "Teenage Dream," have sold over ten million copies worldwide. Given her theatrical persona and penchant for brightly colored costumes, it was only a matter of time before she showed up on the big screen with "Katy Perry: Part of Me 3D." Audiences will see a lot more than just the aforementioned cupcake bra. The movie balances performance footage with biography in an attempt to explain how a good Christian girl from Santa Barbara became a cheeky pop idol with electric blue hair. 

Bing: 'Katy Perry: Part of Me' | Katy Perry

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(Paramount Pictures)